Hello, I solve the problem. This postfix directive makes the mistake:
header_size_limit =3D 256 I increase this directive to 998 as RFC 2822 says: header_size_limit =3D 998 Regards. Date: Fri, 18 Jan 2008 09:54:34 +0100 >To: IMGate@mgw2.MEIway.com >From: "nerion \(P.Garcia\)" <[EMAIL PROTECTED]> >Subject: Problem To and CC header rewrite > >Hello, > >I have a amavisd-new + spamassassin + postfix server with imgate rules. > >If we receive an e-mail with a long line in To=20 >or CC header (more than 255 characters), we=20 >don=B4t receive this line completely. It's as if=20 >amavisd-new would rewrite incorrectly the header. > >Is there any limit in to or cc header? This limit could be changed. > >Regards.